Loudness History
Scrolling Momentary and Short-term LUFS with dashed reference lines for your target platform. Click to switch to Waveform History - a symmetric peak envelope of your audio over time.
Loudness Readouts
Integrated LUFS (the headline streaming number), Momentary (400 ms), Short-term (3 s), Momentary Max, True Peak (ITU-R BS.1770-5, 4x oversampled, dBTP), and LRA in LU.
Loudness Penalty
Estimated volume adjustments for Spotify, Apple Music, YouTube, Amazon, Deezer, and Tidal - updated in real time from Integrated LUFS. Guideline estimates based on published platform targets.
Levels
Dual L/R meters showing Peak and RMS simultaneously. Peak bars with hold, RMS bars beneath. Center scale from 0 to -inf.
Spectral Balance / Heatmap
Four-band tonal balance (30-250 / 250-2k / 2k-8k / 8k-20k) with fast and slow curves plus deviation readouts. Click for Spectral Heatmap - a scrolling time-frequency waterfall.
Sound Field
Diamond (Lissajous goniometer with heat-mapped energy) or Polar (half-circle with peak envelope). Both include L/R balance and Correlation (+1 to -1) with phase warning.
